import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 86183
 * Date: 2024-04-14
 * Time: 23:19
 */
public class Demo4 {
    public static void main(String[] args) throws InterruptedException, ExecutionException {
       Callable<Integer> callable=new Callable<Integer>() {
           @Override
           public Integer call() throws Exception {
               int result=0;
               for (int i = 0; i <=1000 ; i++) {
                   result+=i;
               }
               return  result;
           }
       };
        FutureTask<Integer> futureTask=new FutureTask<>(callable);
       Thread t =new Thread(futureTask);
       t.start();
       t.join();
        System.out.println(futureTask.get());

    }
}
